/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.pinot.controller.helix.core.rebalance;

import java.util.Map;

/**
 * Default No-op TableRebalanceObserver.
 */
public class NoOpTableRebalanceObserver implements TableRebalanceObserver {
  @Override
  public void onTrigger(TableRebalanceObserver.Trigger trigger, Map<String, Map<String, String>> initialState,
      Map<String, Map<String, String>> targetState) {
  }

  @Override
  public void onNoop(String msg) {
  }

  @Override
  public void onSuccess(String msg) {
  }

  @Override
  public void onError(String errorMsg) {
  }

  @Override
  public boolean isStopped() {
    return false;
  }

  @Override
  public RebalanceResult.Status getStopStatus() {
    throw new UnsupportedOperationException();
  }
}
